{"id":"CVE-2024-42389","aliases":["EUVD-2024-39593","GHSA-wp87-pj42-93xr"],"status":"published","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00312,"percentile":0.2421,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-823"],"published":"2024-11-18T09:06:51Z","modified":"2026-10-28T02:31:14Z","products":[{"vendor":"cesanta","product":"mongoose"},{"vendor":"cesanta","product":"mongoose web server"}],"references":[{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-42389","tags":["Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42389","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wp87-pj42-93xr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42389.json","tags":["advisory"]},{"url":"https://github.com/cesanta/mongoose","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-42389","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:06:51.396Z","modified":"2024-11-18T13:36:50.776Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:34:02.652467Z"}],"euvd":[{"id":"EUVD-2024-39593","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:06:51Z","modified":"2024-11-18T13:36:50Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:57.661321Z"}],"ghsa":[{"id":"GHSA-wp87-pj42-93xr","title":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an...","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T12:30:42Z","modified":"2024-11-18T12:30:43Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:58:51.906051Z"}],"nvd":[{"id":"CVE-2024-42389","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T10:15:08.09Z","modified":"2026-06-17T07:49:22.57Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:10:37.632431Z"}],"osv":[{"id":"CVE-2024-42389","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:06:51.396Z","modified":"2026-10-28T02:31:14.630730906Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T15:44:42.322107Z"}]}}